920XC-13A • 920XC-15A • 920XC-20C Instruction Manual
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Reflection Threshold Configuration
This configuration has direct impact on reflection events listing. Only reflection events ≥ to this
threshold will be displayed in the events list.
Under the parameter configuration menu use p.and.q to highlight "Refl. Thre." Press Enter.to.
enter a value (Figure 3-20). Press
Figure 3-20. Reflection Threshold Configuration
Use.t.and.u to adjust the position of the highlighted area. Use p.and.q.to.change.the.digits..
After.setting,.press.Enter to confirm.
Note: The default setting is "–52.00 dB."
End Threshold Configuration
This threshold is the end threshold of optical fiber. If the end threshold equals 3.0 dB, then the first
event with insertion loss ≥ 3 dB will be considered the end of the optical fiber. If the value is set to
0.dB,.there.will.be.no.end.threshold.
Under the parameter configuration menu use p.and.q to highlight "End Thre." Press Enter.to.
enter a value (Figure 3-21). Press
Figure 3-21. End Threshold Configuration
Use.t.and.u to adjust the position of the highlighted area. Use p.and.q.to.change.the.digits..
After.setting,.press.Enter to confirm.
Note: The default setting is "03.00 dB."
.to.exit.
.to.exit.
Basic OTDR Information
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